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I have wanted to put a muffler on my Expedition since I took it off the show room floor. Did the muffler make it very loud in the interior of your truck??
I chose the 50 series from Flowmaster. This unit is specific for SUV's and dont make alot of interior noise. While driving with the "OD" off you can hear it a bit more, but wit the "OD" on around town it is barely noticable. Also, on the freeway, you just hear it enough to let you know it is there and make you smile!!! My wife was driving away the other day, and the truck sounded excellent from the outside...
As I mentioned, it adds just enough inside to make you smile and know its there...The 50 series is just enough for our Expys. You really would not want it any louder.
Oh dopey me!! You did mention that didn't you?? As far as I am concerned, Interior noise is part of having a personalized vehicle. The concern I do have with the interior noise is that I generally have an employee or client with me, so cranking up the stero usually is out of the question.
As far as clients, mine do not seem to mind. Really the noise is not bad at all...Regarding the 50 series, I dont know, my invoice does not specify. Sorry!
I through a flow master 40 on my 04 expy. It has been cool but at around 60 mph the drone is killing me so I'm think about trying the 50 for xmas. Wish me luck
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